Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HYDRAULIC TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2012/020619
Kind Code:
A1
Abstract:
A hydraulic transmission provided with a damper mechanism comprising an input element coupled to a turbine runner rotatable with a pump impeller connected to an input member, and a lock-up clutch capable of executing lock-up for engaging the input member and the input element of the damper mechanism and releasing the lock-up, wherein the torque transmission performance when the lock-up is released and the vibration damping performance when the lock-up is executed are improved. When lock-up is released by a lock-up clutch (9), a turbine runner (5) and a damper hub (7) coupled to a driven member (84) of a damper mechanism (8) are engaged by an engagement mechanism (10) and both are integrally rotated, and when the lock-up is executed by the lock-up clutch (9), the turbine runner (5) and the damper hub (7) are not engaged by the engagement mechanism (10) and both are not integrally rotated.

Inventors:
TAKIKAWA YOSHIHIRO (JP)
MARUYAMA KAZUTO (JP)
ITOU KAZUHIRO (JP)
Application Number:
PCT/JP2011/065821
Publication Date:
February 16, 2012
Filing Date:
July 11, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
AISIN AW CO (JP)
TAKIKAWA YOSHIHIRO (JP)
MARUYAMA KAZUTO (JP)
ITOU KAZUHIRO (JP)
International Classes:
F16H45/02
Domestic Patent References:
WO2009067987A12009-06-04
Foreign References:
JP2007002920A2007-01-11
JP2009041737A2009-02-26
JP2010091099A2010-04-22
Attorney, Agent or Firm:
ITEC INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Itec international patent firm (JP)
Download PDF:
Claims: